What was found
CA'S FWD WINDSHIELD HEAT (L1) OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. FOUND PRIMARY L-1 WINDOW SENSOR OPEN. PLACED SWITCH S1078 TO SPARE POSITION. SYS OPS CKS NML PER AMM 30-41-00.
- Difficulty date
- May 5, 2019
- Submitted
- May 7, 2019
- Operation
- Air carrier
- Aircraft
- N494AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41729
- Aircraft time
- 13,017 hours, 4,211 cycles
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Switch
- Part number
- MS2452423
- Condition
- Failed
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.